Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 02 Synthetic rubber derived from oils, in primary forms or in plates, etc 40 02 80 Mixtures of any product of 40.01 with any product of 40.02 40 02 80 00 Mixtures of any product of 40.01 with any product of 40.02 Commodity Code Description 40 02 80 00 00 Mixtures of any product of 40.01 with any product of 40.02